42350532066 has 12 divisors (see below), whose sum is σ = 91759486182. Its totient is φ = 14116844016.

The previous prime is 42350532061. The next prime is 42350532071. The reversal of 42350532066 is 66023505324.

It is an interprime number because it is at equal distance from previous prime (42350532061) and next prime (42350532071).

It can be written as a sum of positive squares in only one way, i.e., 41136358041 + 1214174025 = 202821^2 + 34845^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 42350532066.

It is not an unprimeable number, because it can be changed into a prime (42350532061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1176403651 + ... + 1176403686.

Almost surely, 2^42350532066 is an apocalyptic number.

42350532066 is an abundant number, since it is smaller than the sum of its proper divisors (49408954116).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42350532066 is a wasteful number, since it uses less digits than its factorization.

42350532066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2352807345 (or 2352807342 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

The spelling of 42350532066 in words is "forty-two billion, three hundred fifty million, five hundred thirty-two thousand, sixty-six".